samples/messagedigest/src-bridge/org/apidesign/impl/security/extension/BridgeToOldAlgorithmsProvider.java
changeset 44 716af5f2ebd1
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/samples/messagedigest/src-bridge/org/apidesign/impl/security/extension/BridgeToOldAlgorithmsProvider.java	Sat Jun 14 09:52:23 2008 +0200
     1.3 @@ -0,0 +1,46 @@
     1.4 +/*
     1.5 + * To change this template, choose Tools | Templates
     1.6 + * and open the template in the editor.
     1.7 + */
     1.8 +
     1.9 +package org.apidesign.impl.security.extension;
    1.10 +
    1.11 +import org.apidesign.impl.security.friendapi.DigestImplementation;
    1.12 +import org.apidesign.impl.security.friendapi.DigestProvider;
    1.13 +import java.nio.ByteBuffer;
    1.14 +import java.security.MessageDigest;
    1.15 +import java.security.NoSuchAlgorithmException;
    1.16 +import java.util.logging.Level;
    1.17 +import java.util.logging.Logger;
    1.18 +
    1.19 +/**
    1.20 + *
    1.21 + * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    1.22 + */
    1.23 +public class BridgeToOldAlgorithmsProvider implements DigestProvider {
    1.24 +
    1.25 +    public DigestImplementation create(String algorithm) {
    1.26 +        try {
    1.27 +            final MessageDigest md = MessageDigest.getInstance(algorithm);
    1.28 +            return new DigestImplementation(algorithm) {
    1.29 +
    1.30 +                @Override
    1.31 +                public void update(ByteBuffer bb) {
    1.32 +                    md.update(bb);
    1.33 +                }
    1.34 +
    1.35 +                @Override
    1.36 +                public byte[] digest() {
    1.37 +                    return md.digest();
    1.38 +                }
    1.39 +            };
    1.40 +        } catch (NoSuchAlgorithmException ex) {
    1.41 +            Logger.getLogger(BridgeToOldAlgorithmsProvider.class.getName()).log(Level.INFO, null, ex);
    1.42 +            return null;
    1.43 +        }
    1.44 +    }
    1.45 +
    1.46 +    static {
    1.47 +        new BridgeToOld();
    1.48 +    }
    1.49 +}